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Enhanced Carbon Dioxide Electroreduction to Carbon Monoxide over Defect-Rich Plasma-Activated Silver Catalysts

Journal Article · · Angewandte Chemie (International Edition)
 [1];  [2];  [3];  [2];  [4];  [2];  [2];  [2];  [2];  [5];  [5];  [4];  [6];  [7]
  1. Ruhr Univ., Bochum (Germany). Dept. of Physics; Univ. of Central Florida, Orlando, FL (United States). Dept. of Physics
  2. Ruhr Univ., Bochum (Germany). Dept. of Physics
  3. Copenhagen Univ. (Denmark). Dept. of Chemistry
  4. Univ. of Pittsburgh, PA (United States). Chemical and Petroleum Engineering and Physics
  5. Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials
  6. Univ. of Copenhagen (Denmark). Dept. of Chemistry
  7. Ruhr Univ., Bochum (Germany). Dept. of Physics; Fritz-Haber Inst. of the Max Planck Society, Berlin (Germany). Dept. of Interface Science
Efficient, stable catalysts with high selectivity for a single product are essential if electroreduction of CO2 is to become a viable route to the synthesis of industrial feedstocks and fuels. A plasma oxidation pre-treatment of silver foil enhances the number of low-coordinated catalytically active sites, which dramatically lowers the overpotential and increases the activity of CO2 electroreduction to CO. At -0.6 V versus RHE more than 90 % Faradaic efficiency towards CO was achieved on a pre-oxidized silver foil. While transmission electron microscopy (TEM) and operando X-ray absorption spectroscopy showed that oxygen species can survive in the bulk of the catalyst during the reaction, quasi in situ X-ray photoelectron spectroscopy showed that the surface is metallic under reaction conditions. Finally, DFT calculations reveal that the defect-rich surface of the plasma-oxidized silver foils in the presence of local electric fields drastically decrease the overpotential of CO2 electroreduction.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
AC02-06CH11357; FG02-03ER15476; SC0012704
OSTI ID:
1433976
Alternate ID(s):
OSTI ID: 1374678
Report Number(s):
BNL-203511-2018-JAAM
Journal Information:
Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 38 Vol. 56; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Operando Insight into the Correlation between the Structure and Composition of CuZn Nanoparticles and Their Selectivity for the Electrochemical CO 2 Reduction journal November 2019
Understanding activity and selectivity of metal-nitrogen-doped carbon catalysts for electrochemical reduction of CO2 journal October 2017
Dramatic differences in carbon dioxide adsorption and initial steps of reduction between silver and copper journal April 2019
A Review of Recent Advances of Dielectric Barrier Discharge Plasma in Catalysis journal October 2019
Plasma-Assisted Synthesis and Surface Modification of Electrode Materials for Renewable Energy journal February 2018
Recent Advances in Electrochemical CO 2 -to-CO Conversion on Heterogeneous Catalysts journal August 2018
A Disquisition on the Active Sites of Heterogeneous Catalysts for Electrochemical Reduction of CO 2 to Value‐Added Chemicals and Fuel journal November 2019
Hohe elektromagnetische Feldverstärkung in nanotubularen TiO 2 -Elektroden journal May 2018
A Graphene‐Supported Single‐Atom FeN 5 Catalytic Site for Efficient Electrochemical CO 2 Reduction journal September 2019
Reordering d Orbital Energies of Single‐Site Catalysts for CO 2 Electroreduction journal July 2019
High Electromagnetic Field Enhancement of TiO 2 Nanotube Electrodes journal May 2018
A Graphene‐Supported Single‐Atom FeN 5 Catalytic Site for Efficient Electrochemical CO 2 Reduction journal October 2019
Reordering d Orbital Energies of Single‐Site Catalysts for CO 2 Electroreduction journal September 2019
Partially Oxidized Palladium Nanodots for Enhanced Electrocatalytic Carbon Dioxide Reduction journal August 2018
Facet Sensitivity of Capping Ligand-Free Ag Crystals in CO 2 Electrochemical Reduction to CO journal October 2018
Understanding Selective Reduction of CO 2 to CO on Modified Carbon Electrocatalysts journal May 2018
Progress in development of electrocatalyst for CO 2 conversion to selective CO production journal March 2020
Catalytic Hydrogen Production by Janus CuAg Nanostructures journal April 2018
Rational Design of Ag‐Based Catalysts for the Electrochemical CO 2 Reduction to CO: A Review journal December 2019
Rapid precipitation-reduction synthesis of carbon-supported silver for efficient oxygen reduction reaction in alkaline solution journal July 2019
Nitrogen-carbon layer coated nickel nanoparticles for efficient electrocatalytic reduction of carbon dioxide journal March 2019
Colloidal silver diphosphide (AgP2) nanocrystals as low overpotential catalysts for CO2 reduction to tunable syngas journal December 2019
Advances and challenges in understanding the electrocatalytic conversion of carbon dioxide to fuels journal September 2019
Rational catalyst and electrolyte design for CO2 electroreduction towards multicarbon products journal March 2019
Iodide-derived nanostructured silver promotes selective and efficient carbon dioxide conversion into carbon monoxide journal January 2018
Defect engineering in earth-abundant electrocatalysts for CO 2 and N 2 reduction journal January 2019
Boosting CO 2 electroreduction over silver nanowires modified by wet-chemical sulfidation and subsequent electrochemical de-sulfidation journal January 2019
A Br anion adsorbed porous Ag nanowire film: in situ electrochemical preparation and application toward efficient CO 2 electroreduction to CO with high selectivity journal January 2018
Metal-based heterogeneous electrocatalysts for reduction of carbon dioxide and nitrogen: mechanisms, recent advances and perspective journal January 2018
The chemical identity, state and structure of catalytically active centers during the electrochemical CO 2 reduction on porous Fe–nitrogen–carbon (Fe–N–C) materials journal January 2018
Operando EXAFS study reveals presence of oxygen in oxide-derived silver catalysts for electrochemical CO 2 reduction journal January 2019
Understanding cation effects in electrochemical CO 2 reduction journal January 2019
Cu x Ni y alloy nanoparticles embedded in a nitrogen–carbon network for efficient conversion of carbon dioxide journal January 2019
An overview on the recent developments of Ag-based electrodes in the electrochemical reduction of CO 2 to CO journal January 2020
1D/2D nitrogen-doped carbon nanorod arrays/ultrathin carbon nanosheets: outstanding catalysts for the highly efficient electroreduction of CO 2 to CO journal January 2019

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